<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <meta name="description" content="">
    <meta name="author" content="">

    <!-- Bootstrap core CSS -->
    <link href="assets/css/bootstrap.min.css" rel="stylesheet">
    <!-- Bootstrap theme -->
    <link href="assets/css/bootstrap-theme.min.css" rel="stylesheet">

</head>
<body>
<h2>Hello World!</h2>

<button type="button" class="btn btn-lg btn-default">Default</button>
<button type="button" class="btn btn-lg btn-primary">Primary</button>
<button type="button" class="btn btn-lg btn-success">Success</button>
<button type="button" class="btn btn-lg btn-info">Info</button>
<button type="button" class="btn btn-lg btn-warning">Warning</button>
<button type="button" class="btn btn-lg btn-danger">Danger</button>
<button type="button" class="btn btn-lg btn-link">Link</button>
</body>
</html>
